UZCGBH-S300Bluetooth Headset

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits ar e designed to pro-vide reasonable protection against harmful interference in a residential installation.This equipment generates, uses and can radiate radio frequency energy and, if not in-stalled and used in accordance with the instructions, may cause h armful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful i nterference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the fol lowing measures: -Reorient or relocate the receiving antenna.-Increase the separation between the equipment and receiver.-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.-Consult the dealer or an experienced radio/TV technician for help. G CAUTION : Changes or modifications not expressly approved by the manufacturer responsible for compliance could void the user's authority to operate the equipment. G

848-16 Gupyeong-Dong, Gumi-City, Gyeongbuk, Korea Tel No : +82-54-474-2220 Fax No : +82-54-474-2251 ATTESTATION STATEMENT In re : GT Telecom Co., Ltd. FCC ID : UZCGBH-S300 Date : December 22, 2009 15.247(a)(1) The hopping sequence must be pseudorandom all Channels are used equally on average the receiver input bandwidth is approximately equal to the transmit ba ndwidth the receiver hops in sequence with the transmitted signal 15.247(g) The system is designed to comply with all of the regulations in Section 15.247 when the transmitter is presented with a continuous data (or information) 15.247(h) The system does not coordinate its channel selection/hopping sequence with oth er frequency hopping systems for the express purpose of avoiding the simultane ous occupancy of individual hopping frequencies by multiple transmitters. Sincerely, _______________________ Lee Young-taek - Engineer CTK Co., Ltd. cc. HYO JIN, LEE - GT Telecom Co., Ltd.

승인일 ISSUE TO: GT Telecom귀중 부품승인원 품명: USB GENDER 도번JT250106도번: JT25-0106 적용모델: * 상기부품에대해승인부탁드립니다. 고객승인 구분 검토자 승인자 소속 개발/구매 담당 QA 담당 개발 팀장 QA 팀장 성명 서명 ENOICE 승인 구분 작성자 검토자 승인자 승인자 소속/성명 개 발 담 당 QC담당 개발 팀장 QA 팀장 서명 李君霞张芳易乃武 尹曉英 연락처: 양해림차장 TEL: 86-0755-2692-3066 FAX: 86-0755-2660-5886 승인도 업체성적서 특성검토 초품이원화 승인도 업체성적서 환경성적서 FAX: 86075526605886 Mail: [email protected] 주소: 中国广东省深圳市南山区白石洲金山角大厦717室 특성검토 신뢰성결과 양산검증 환경성적서 EN-08-01 Enoice Int'l Ltd.

GT Telecom Co., Ltd. Date : December 22, 2009 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA To whom it may concern: I, the undersigned, hereby authorize Young-Joon, Park/Application Examiner of CTK Co., Ltd. and hereafter referred to as CTK Co., Ltd., to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Young-Joon, Park of CTK Co., Ltd.on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing CCS as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, HYO JIN, LEE R&D Department / Manager

848-16 Gupyeong-Dong, Gumi-City, Gyeongbuk, Korea Tel No : +82-54-474-2220 Fax No : +82-54-474-2251 December 22, 2009 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : GT Telecom Co., Ltd. FCC ID : UZCGBH-S300 Request for Confidentiality Gentlemen: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Schematics, Block diagram and Operational description. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely Yours, HYO JIN, LEE R&D Department / Manager

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 1 of 4 EUT External Photographs CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 2 of 4

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 6 of 6 FCC ID label and Location

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 3 of 4 EUT Internal Photographs CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 4 of 4 CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 5 of 4

ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 1/32 Drafter Research 5Team Quality Assurance 구재영 JaeYoung.Koo Chanik.Jeon Nam-sik.Min 12/1612/1612/16 ProductsCHIP Antenna Antenna Supplier CODE ACS2450FBAS30 ModelGBH-S300 SEC CODE RevisionVER.1.0 12/16 SupplierPartron Approval Sheet MSLLEAD FREEBFRs-Free, Halogen-Free MSL 1 TOP BOTTOM ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 2/32 -Contents- ※ Cover ··········································································································································· ※ Contents ····································································································································· 1. Revision History ······················································································································· 2. Introduction ······························································································································· 3. Special Management ··············································································································· 4. Electrical Characteristics ········································································································· 5. Measurement Process ············································································································ 6. Internal Block Diagram ·········································································································· 7. Basis Action / Application Note ···························································································· 8. Measurement Jig SPEC ········································································································ 9. Soldering Condition ················································································································ 10. Primary Inspection List ·········································································································· 11. Reliability Condition ··············································································································· 12. Mechanical Characteristics ···································································································· 13. Structure & Material ·············································································································· 14. Attention ································································································································· 15. Packing ··································································································································· 16. Process Control ····················································································································· 17. RoHS Data ····························································································································· 1p 2p 3p 4p 4p 5p 10 p 12 p 12 p 13 p 14 p 15 p 16 p 18 p 20 p 21 p 22 p 26 p 29 p ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 3/32 1. Revision History Revision NoOriginatorDescription of changesDate of changes Ver 1.0Chanik.JeonIssued2009.12.16 ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 4/32 2. Introduction 2.1 Introduction of Product This product is an internal dielectric chip antenna that the Ag paste is printed on the surface of dielectric block. 2.2 Specification and Dimension TypeOnly Bulk Ceramic Material Dielectric BlockMg 2 SiO 4 (Magnesium Silicate) Electrode Paste Ag Dimension [mm] W = 2.0±0.1 L = 6.0±0.1 T = 1.2±0.1 Flatness0.04 MSL LEVELMSL Level 1 ESD LEVEL More than 15 KV (HBM CLASS 3B) VersionRevision 1.0 Characteristic inspection (CTF) FrequencyVSWR(CTF) Cycle of management LOTCPKPage 2400MHz 1.0~3.0:1ALLALL5.194,6,15 Page 2485MHz 1.0~3.0:1ALLALL5.174,6,15 Page 3. Special Management ( CTQ CTQ ) - The below things are special management items . CTQThe reason Dimension & Weight (after forming) The plasticity dielectric block is influenced at this item Dimension (after Plasticity) The accuracy of printed pattern is influenced at this item Dimension of Printing Pattern The accuracy of printed pattern is the most special thing at electrical characteristic of dielectric chip antenna CTFThe reason SWR MeasurementThis item is an important parameter that fix an electrical characteristic - Care about the below things . ITEMContent KeepingSealing tightly when keeping for a long time ActionMaybe characteristics is changed when changed any design ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 5/32 4. Electrical Characteristics 4.1 Set Condition ITEMSPEC Frequency Range [MHz]2400 ~ 2485 SWR [Max]3.5:1(Typ3.0:1) Input Impedance [ Ω ]50 Ohm PolarizationLinear Gain [dBi] Total Gain ( Peak / Avg ) [dBi]0.6 / -3.4 Azimuth Theta Peak3.22 Average1.00 Phi Peak-9.15 Average-14.97 Elevation 1 Theta Peak-3.74 Average-10.27 Phi Peak3.08 Average-1.96 Elevation 2 Theta Peak-9.64 Average-16.99 Phi Peak3.24 Average-1.62 ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 6/32 4.2 S11 Graph of Set Condition 4.3 Test Fixture Condition ITEMSPEC Frequency Range [MHz]2400 ~ 2485 Lower Frequency ( 2400 MHz) SWR [Min~Max]1.0~3.0:1(Typ2.5:1) Upper Frequency ( 2485 MHz) SWR [Min~Max]1.0~3.0:1(Typ2.5:1) 4.4 S11 Graph of Test Fixture Condition ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 7/32 4.5 Radiation Pattern Azimuth PlaneElevation1 PlaneElevation2 Plane ThetaVertical field of measured plane PhiHorizontal field of measured plane Azimuth Theta ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 8/32 Azimuth Phi Elevation1 Theta ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 9/32 Elevation1 Phi Elevation2 Theta ACS2450FBAS30 Ver 1.0 (2009.12.16) Page 10/32 Elevation2 Phi 5. Measurement Process 5.1 SWR / Return loss The SWR / Return loss is measured by Network Analyzer. Using the test fixture, the Selected reference sample is a standard product. Set ConditionTest Fixture Condition Network Analyzer Agilent HP8753EAgilent…

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CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2009120052 Date: December 22, 2009 Page 1 of 44 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15 SubpartC(Rev.2) TEST REPORT For FCC Test Report No. : 2009120052 Date of Issue : December 22, 2009 FCC ID : UZCGBH-S300 Model/Type No. : GBH-S300 Kind of Product : Bluetooth Headset Applicant : GT Telecom Co., Ltd. Applicant Address : 848-16 Gupyeong-Dong, Gumi-City, Gyeongbuk, Korea Manufacturer : Mobisolution Co., Ltd. Manufacturer Address : A-101, 848-16 Gupyeong-Dong, Gumi-City, Gyeongsanbuk-Do, Korea Contact Person : HYO JIN, LEE / Manager Telephone : +82-54-474-2246 Received Date : December 11, 2009 Test period : Start : December 11, 2009 End : December 22, 2009 Test Results : In Compliance Not in Compliance The test results presented in this report relate only to the object tested. Tested by Reviewed by Lee Young-taek Test Engineer Young-Joon, Park Technical Manager Date: December 22, 2009 Date: December 22, 2009 CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2009120052 Date: December 22, 2009 Page 2 of 44 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15 SubpartC(Rev.2) REPORT REVISION HISTORY Date Revision Page No December 22, 2009 Issued (2009120052) All This report shall not be reproduced except in full, without the written approval of CTK Co., Ltd. This document may be altered or revised by CTK Co., Ltd. personnel only, and shall be noted in the revision section of the document. Any alteration of this document not carried out by CTK Co., Ltd. will constitute fraud and shall nullify the document. CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2009120052 Date: December 22, 2009 Page 3 of 44 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15 SubpartC(Rev.2) TABLE OF CONTENTS REPORT REVISION HISTORY ..........................................................................................2 1.0 General Product Description ...............................................................................4 1.1 Tested Frequency .............................................................................................4 1.2 Tested Mode ....................................................................................................4 1.3 Model Differences .............................................................................................5 1.4 Device Modifications .........................................................................................5 1.5 Peripheral Devices ............................................................................................5 1.6 Calibration Details of Equipment Used for Measurement .........................................5 1.7 Test Facility......................................................................................................5 1.8 Laboratory Accreditations and Listings .................................................................6 2.0 Summary of tests .............................................................................................7 2.1 Transmitter Requirements ..................................................................................8 2.1.1 Carrier Frequency Separation .......................................................................8 2.1.2 Number of Hopping Frequencies ................................................................. 10 2.1.3 20 dB bandwidth ...................................................................................... 12 2.1.4 Time of Occupancy (Dwell Time) ................................................................. 18 2.1.5 Maximum peak Conducted Output Power...................................................... 23 2.1.6 Band-edge............................................................................................... 28 2.1.7 Field Strength of Emissions ........................................................................ 36 2.1.8 AC Conducted Emissions............................................................................ 41 APPENDIX A – Test Equipment Used For Tests ................................................................ 44 CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2009120052 Date: December 22, 2009 Page 4 of 44 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15 SubpartC(Rev.2) 1.0 General Product Description Equipment model name : GBH-S300 Serial number : Prototype EUT condition : Pre-production, not damaged Antenna type : Chip antenna Gain 3.24 dBi Frequency Range : 2402 ~ 2480 MHz RF output power Range : -6 dBm ~ +4 dBm (Class 2) RF power : 3.861 dBm Peak Conducted (GFSK) : 3.146 dBm Peak Conducted (8-DPSK) Number of channels : 79 Channel Spacing : 1MHz Channel Access Protocol : Frequency Hopping Type of Modulation : GFSK(1Mbps), DQPSK(2Mbps), 8-DPSK(3Mbps) Power Source : Internal Lithium ion Battery (DC 3.7V) 1.1 Tested Frequency LOW MID HIGH Frequency (MHz) 2402 2441 2480 1.2 Tested Mode - Pre-Scan has been conducted to determine the worst-case mode from all possible combinations between available modulations, data rates and antenna ports (if EUT with antenna diversity architecture). - Following channel(s) was (were) selected for the final test as listed below. Tested Ch Modulation Technology Modulation Type Packet Type Low, Mid, High FHSS GFSK DH 5 Low, Mid, High FHSS 8-DPSK 3DH 5 CTK Co., Ltd. 386-1, Ho-dong…

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CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 1 of 3 Test Setup Photos and Configuration Conducted Voltage Emissions CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 2 of 3 Radiated Electric Field Emissions CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com FCC ID: UZCGBH-S300 Page 3 of 3